I have had numerous occasions discussing this topics b with my peers before and concluded this is really like a religion and will be very difficult to convince

I have had numerous occasions discussing this topics b with my peers before and concluded this is really like a religion and will be very difficult to convince anyone to change to another. (I use one space myself.) It causes bit of side effects to have two spaces after period, like if one of them rolling into beginning of a new line and what they ought to do is to define those spaces as a non-breakable spaces, to indicate they shouldn't be separated, but I don't see this praciticed too often.